Garmin SteadyCast Heading Sensor Model: 010-11417-10 Ensures bow orientation on your chartplotter matches your heading Heading accuracy of plus or minus 3 degrees Easy NMEA 2000A(R) plug-and-play interface Simple 2-step calibration process 9-axis MEMS technology allows installation in any orientation located away from magnetic interference SteadyCast heading sensor is a simple, easy-to-install solution that provides fast calibration and premium heading accuracy. It aligns your boat bow to its actual orientation so you know where you are casting according to your chartplotter screen. Its heading output rate at 10 Hz and accuracy of plus or minus 3 degrees ensures your chart orientation and boat heading line match up with reality, even at trolling speeds or when dead in the water. You can also be confident your heading information will remain accurate, even in rough water. SteadyCast heading sensor installs easily with NMEA 2000A(R) plug-and-play interface and a simple 2-step precision calibration process for compatible Garmin chartplotters. Basic calibration for displays other than Garmin is also supported. Its 9-axis MEMS technology allows installation in any orientation located away from magnetic interference, and it&';s built to withstand bilge environments. Specifications Default heading output 10Hz Output heading 3 degree accuracy Water rating IPX7 LEN 2 Input Voltage 9-32vDC Dimensions (LxWxH): 3.4" x 2.1" x 1.3" (86.3 x 52.9 x 33.7 mm) What&';s in the Box: SteadyCast heading sensor with integrated NMEA 2000A(R) drop cable (6 ft) NMEA 2000A(R) T-connector Documentation